Pith Number

pith:USTCXRNH

pith:2013:USTCXRNH5KYFWXNEEBHKGEPET7

not attested not anchored not stored refs pending

Disentangling Hadronic and Leptonic Cascade Scenarios from the Very-High-Energy Gamma-Ray Emission of Distant Hard-Spectrum Blazars

Charles D. Dermer, Hajime Takami, Kohta Murase

arxiv:1305.2138 v2 · 2013-05-09 · astro-ph.HE

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{USTCXRNH5KYFWXNEEBHKGEPET7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-18T03:19:45.290787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a62bc5a7eab05b5da4204ea311e49fdad3e6f5cf4be4062b92c89bed668488

Aliases

arxiv: 1305.2138 · arxiv_version: 1305.2138v2 · doi: 10.48550/arxiv.1305.2138 · pith_short_12: USTCXRNH5KYF · pith_short_16: USTCXRNH5KYFWXNE · pith_short_8: USTCXRNH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/USTCXRNH5KYFWXNEEBHKGEPET7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a4a62bc5a7eab05b5da4204ea311e49fdad3e6f5cf4be4062b92c89bed668488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "750e705b5d9cd99de072e37f3f98f2e51d0ea63741b190a1da16fbaa625b4f4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-09T16:27:14Z",
    "title_canon_sha256": "3a59da8446d63f22c94776b716bcaacaa8deeeb260594f88d4b5c4add34a01bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.2138",
    "kind": "arxiv",
    "version": 2
  }
}